"AllergyZone - FilterLock Filter Slot Seal – Seal Cover for Any 1” Furnace Filter, Up To 25” Long"
AllergyZone - FilterLock Filter Slot Seal – Seal Cover for Any 1” Furnace Filter, Up To 25” Long
Protect Your HVAC System: FilterLock is a patented two-piece seal system designed for use with 1” air filters that eliminates air leakage at the filter slot/door to improve indoor air quality (IAQ) and reduce energy consumption.